what is the PH of a solution that contains 0.15M hc2h3o4 and 0.25 M c2h3o2?

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savyyy

New member
use Ka= 1.8 X 10-5? what is the PH of a solution that contains 0.15M hc2h3o4 and 0.25 M c2h3o2? use Ka= 1.8 X 10-5.....................i know how to do this part.... Ph is 3.3

i need to do second part: by how much will the Ph change if 0.025 mol of HCL is added to 1.00 L of the buffer in problem (i have stated up_
 
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